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Questions and Answers
What is an ecosystem?
What is an ecosystem?
- A system consisting of rocks and minerals
- A system consisting of both living organisms and non-living factors (correct)
- A system consisting of only living organisms
- A system consisting of only non-living factors
Which of the following is considered an abiotic component of an ecosystem?
Which of the following is considered an abiotic component of an ecosystem?
- Birds
- Flowers
- Insects
- Temperature (correct)
How do living organisms interact within an ecosystem?
How do living organisms interact within an ecosystem?
- They interact with each other and with non-living factors (correct)
- They don't interact, they live independently
- They interact only with non-living factors
- They interact only with other living organisms
Which of the following is an example of a living organism in an ecosystem?
Which of the following is an example of a living organism in an ecosystem?
Why is maintaining a balance in nature important within an ecosystem?
Why is maintaining a balance in nature important within an ecosystem?
What are the physical factors that constitute abiotic components in an ecosystem?
What are the physical factors that constitute abiotic components in an ecosystem?
Why are enzymes specific in their action?
Why are enzymes specific in their action?
What is the purpose of burying waste material in a pit in the school garden?
What is the purpose of burying waste material in a pit in the school garden?
Why does the text mention that we will not get any energy if we try to eat coal?
Why does the text mention that we will not get any energy if we try to eat coal?
What is the main reason why enzymes do not break down every substance we eat?
What is the main reason why enzymes do not break down every substance we eat?
Which type of waste material is likely to change form and structure over time when buried?
Which type of waste material is likely to change form and structure over time when buried?
What is the purpose of observing waste material at 15-day intervals after burying?
What is the purpose of observing waste material at 15-day intervals after burying?
What is the primary function of ozone at the higher levels of the atmosphere?
What is the primary function of ozone at the higher levels of the atmosphere?
How is ozone formed at the higher levels of the atmosphere?
How is ozone formed at the higher levels of the atmosphere?
What is the main cause of the decrease in ozone levels in the atmosphere since the 1980s?
What is the main cause of the decrease in ozone levels in the atmosphere since the 1980s?
Which of the following statements is true about the impact of UV radiation on organisms?
Which of the following statements is true about the impact of UV radiation on organisms?
What action did the United Nations Environment Programme (UNEP) take in 1987 regarding CFC production?
What action did the United Nations Environment Programme (UNEP) take in 1987 regarding CFC production?
What is now mandatory for all manufacturing companies regarding refrigerators?
What is now mandatory for all manufacturing companies regarding refrigerators?
What does the energy flow diagram in Figure 15.4 reveal about the flow of energy in an ecosystem?
What does the energy flow diagram in Figure 15.4 reveal about the flow of energy in an ecosystem?
What happens to the energy that passes to the herbivores in an ecosystem?
What happens to the energy that passes to the herbivores in an ecosystem?
How do harmful chemicals enter our bodies through the food chain?
How do harmful chemicals enter our bodies through the food chain?
What is one significant reason for water pollution, as discussed in the text?
What is one significant reason for water pollution, as discussed in the text?
How do non-degradable chemicals affect organisms at different trophic levels?
How do non-degradable chemicals affect organisms at different trophic levels?
Why do human beings tend to have a higher concentration of harmful chemicals in their bodies compared to other organisms?
Why do human beings tend to have a higher concentration of harmful chemicals in their bodies compared to other organisms?
What was the primary reason for introducing disposable cups on trains in the text?
What was the primary reason for introducing disposable cups on trains in the text?
Why were kulhads (disposable cups made of clay) considered not feasible as an alternative to plastic cups according to the text?
Why were kulhads (disposable cups made of clay) considered not feasible as an alternative to plastic cups according to the text?
What is one environmental concern associated with the disposal of millions of disposable cups daily, as mentioned in the text?
What is one environmental concern associated with the disposal of millions of disposable cups daily, as mentioned in the text?
In what way do disposable paper cups offer an advantage over disposable plastic cups according to the text?
In what way do disposable paper cups offer an advantage over disposable plastic cups according to the text?
How might hazardous materials from electronic items affect the environment, based on the text?
How might hazardous materials from electronic items affect the environment, based on the text?
What role do producers play in an ecosystem according to the text?
What role do producers play in an ecosystem according to the text?
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